It's a better use of space to those that are space deprived. Inquire within

Modular Aluminum 1 1/4 Cat Chassis

CataRaft Quadrants

Just another way to skin the Cat. These are constructed from 1.5 NPS (1.9" o.d.) 6061-T6.

If by chance you have 1 1/4" pipe left over from an old frame, this 1.66" o.d. pipe telescopes

inside the Cat Quadrant producing an adjustable length frame.

War Pony Cat Yokes

Illustrated herein is an alternative solution to the third and potentially fourth inflatable diaphram. Some folks poo poo this concept; others embrace the reality of low water permits and the logistics or such. Row On